Home Comparison Intel Core i5 8400 vs Intel Core i7 8700K

Intel Core i5 8400 vs Intel Core i7 8700K

Intel Core i5 8400
VS
Intel Core i7 8700K
Intel Core i5 8400
Intel Core i7 8700K
We compared two desktop CPUs: Intel Core i5 8400 with 6 cores 2.8GHz and Intel Core i7 8700K with 6 cores 3.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i5 8400 's Advantages
Lower TDP (65W vs 95W)
Intel Core i7 8700K 's Advantages
Higher base frequency (3.7GHz vs 2.8GHz)
Larger L3 cache size (12MB vs 9MB)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i5 8400
1026
Intel Core i7 8700K +18%
1215
Cinebench R23 Multi Core
Intel Core i5 8400
5798
Intel Core i7 8700K +50%
8734
Geekbench 6 Single Core
Intel Core i5 8400
1298
Intel Core i7 8700K +13%
1475
Geekbench 6 Multi Core
Intel Core i5 8400
4677
Intel Core i7 8700K +35%
6339
Blender
Intel Core i5 8400
83
Intel Core i7 8700K +87%
156
Geekbench 5 Single Core
Intel Core i5 8400
1032
Intel Core i7 8700K +19%
1233
Geekbench 5 Multi Core
Intel Core i5 8400
4611
Intel Core i7 8700K +43%
6632
Passmark CPU Single Core
Intel Core i5 8400
2387
Intel Core i7 8700K +15%
2748
Passmark CPU Multi Core
Intel Core i5 8400
9214
Intel Core i7 8700K +48%
13661
Intel Core i5 8400
VS
Intel Core i7 8700K

General Parameters

Oct 2017
Release Date
Oct 2017
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Coffee Lake
Core Architecture
Coffee Lake
i5-8400
Processor Number
i7-8700K
LGA-1151
Socket
LGA-1151
UHD Graphics 630
Integrated Graphics
UHD Graphics 630

Package

14 nm
Manufacturing Process
14 nm
65 W
Power Consumption
95 W
100 °C
Peak Operating Temperature
100 °C

CPU Performance

6
Performance Cores
6
6
Performance Core Threads
12
2.8 GHz
Performance Core Base Frequency
3.7 GHz
4 GHz
Performance Core Turbo Frequency
4.7 GHz
6
Total Core Count
6
6
Total Thread Count
12
100 MHz
Bus Frequency
100 MHz
28x
Multiplier
37x
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
256 K per core
9 MB shared
L3 Cache
12 MB shared
No
Unlocked Multiplier
Yes

Memory Parameters

DDR4-2666
Memory Types
DDR4-2666
128 GB
Max Memory Size
128 GB
2
Max Memory Channels
2
41.6 GB/s
Max Memory Bandwidth
41.6 GB/s
No
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
true
350 MHz
GPU Base Frequency
350 MHz
1050 MHz
GPU Max Dynamic Frequency
1200 MHz
192
Shader Units
192
24
Texture Units
24
3
Raster Operation Units
3
24
Execution Units
24
15 W
Power Consumption
15 W
4096x2304 - 60 Hz
Max Resolution
4096x2304 - 60 Hz
0.38 TFLOPS
Graphics Performance
0.38 TFLOPS

Miscellaneous

Intel Core i5 8400
Official Website
Intel Core i7 8700K
3.0
PCIe Version
3.0
16
PCIe Lanes
16
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2

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